#337BA0#337BA0

#337BA0 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.4% C 0.091 H 234.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#337BA0
RGB	rgb(51, 123, 160)
HSL	hsl(200, 52%, 41%)
HSV	hsv(200, 68%, 63%)
CMYK	cmyk(68.1%, 23.1%, 0%, 37.3%)
CIE-LAB	lab(48.77, -10.23, -26.41)
CIE-LCH	lch(48.77, 28.32, 248.82°)
OKLab	oklab(55.38% -0.0533 -0.0741)
OKLCH	oklch(55.38% 0.091 234.3)
XYZ	xyz(14.7909, 17.4062, 35.8311)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337BA0 #A05833

analogous

#33A08F #337BA0 #3345A0

triadic

#337BA0 #A0337B #7BA033

tetradic

#337BA0 #8F33A0 #A05833 #45A033

square

#337BA0 #8F33A0 #A05833 #45A033

split-complementary

#337BA0 #A03345 #A08F33

monochromatic

#153443 #245772 #337BA0 #4B9CC6 #79B5D4

Accessibility & contrast

On white

4.69

#337BA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#337BA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337BA0

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337BA0	#FFFFFF	#000000	##FFFFFF
##337BA0	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA2

Deuteranopia (green-blind)

#5A6F9F

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #337ba0;
/* rgb */ color: rgb(51, 123, 160);
/* oklch */ color: oklch(55.4% 0.091 234.3);

Tailwind

colors: {
  custom: {
    50: '#77a1bc',
    500: '#337ba0',
    950: '#000000',
  },
}

SCSS

$custom: #337ba0;
$custom-light: #77a1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#337ba0",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 160
  },
  "hsl": {
    "h": 200.367,
    "s": 51.659,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55384,
    "c": 0.0913,
    "h": 234.3
  },
  "luminance": 0.17408
}

Semantic roles & 50–950 ramp

primary

#337BA0

secondary

#BD8B72

accent

#7D4DDB

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #337BA0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →